import java.util.Scanner;

public class Access2 {
    public static void main(String[] args) {
        //ToDo：1.定义五个商品价格
        //ToDo：2.输出商品目录
        //ToDo：3.补充相关变量
        String xuanZe = "Y";//定义字符类型变量
        //Scanner无法获取char类型数据
        Scanner sc = new Scanner(System.in);
        while (xuanZe.equals("Y")) {//String类型字符串无法使用==判断是否相等
            System.out.println("需要购买请输入Y,否则输入N");
            xuanZe = sc.next();//获取String类型数据
            double toothbrush = 8.8;   //牙刷价格
            double towel = 10.0;        //毛巾价格
            double cup = 18.8;            //水杯价格
            double apple = 12.5;        //苹果价格
            double banana = 15.5;       //香蕉价格
            int i = 0;
            String a = "Y";
            System.out.println("-------------黑马小商城-------------");
            System.out.println("1.牙刷的价格为：" + toothbrush + "元");
            System.out.println("2.毛巾的价格为：" + towel + "元");
            System.out.println("3.水杯的价格为：" + cup + "元");
            System.out.println("4.苹果的价格为：" + apple + "元");
            System.out.println("5.香蕉的价格为：" + banana + "元");
            while (a.equals("Y")) {
                Scanner sc1 = new Scanner(System.in);
                System.out.println("请输入你需要购买商品的序列号：");
                i = sc1.nextInt();
                switch (i) {
                    case 1:
					  System.out.println("请输入你需要购买牙刷的数量:");
					  int toothbrushnnumber=sc1.nextInt();
					  double toothbrushnnum=toothbrushnnumber*toothbrush;
					  System.out.println("你购买了牙刷"+toothbrushnnumber+"支，需要花费"+toothbrushnnum+"元");
                      System.out.println("需要继续购买请输入Y，否则输入N");
					  a=sc1.next();
					  break;

                        case 2:
                            System.out.println("请输入你需要购买毛巾的数量:");
                            int towelnumber=sc1.nextInt();
                            double towelnum=towelnumber*towel;
                            System.out.println("你购买了毛巾"+towelnumber+"支，需要花费"+towelnum+"元");
                            System.out.println("需要继续购买请输入Y，否则输入N");
                            a=sc1.next();
                            break;

                            case 3:
                                System.out.println("请输入你需要购买水杯的数量:");
                                int cupnumber=sc1.nextInt();
                                double cupnum=cupnumber*cup;
                                System.out.println("你购买了水杯"+cupnumber+"支，需要花费"+cupnum+"元");
                                System.out.println("需要继续购买请输入Y，否则输入N");
                                a=sc1.next();
                                break;

                                case 4:
                                    System.out.println("请输入你需要购买苹果的数量:");
                                    int applenumber=sc1.nextInt();
                                    double applenum=applenumber*apple;
                                    System.out.println("你购买了苹果"+applenumber+"支，需要花费"+applenum+"元");
                                    System.out.println("需要继续购买请输入Y，否则输入N");
                                    a=sc1.next();
                                    break;

                        case 5:
                            System.out.println("请输入你需要购买香蕉的数量:");
                            int banananumber=sc1.nextInt();
                            double banananum=banananumber*banana;
                            System.out.println("你购买了香蕉"+banananumber+"支，需要花费"+banananum+"元");
                            System.out.println("需要继续购买请输入Y，否则输入N");
                            a=sc1.next();
                            break;


                }
            }
            System.out.println("期待您的下次光临！");
        }
    }
}